CN214327261U - Continuous circulation vortex flow type anaerobic reactor - Google Patents
Continuous circulation vortex flow type anaerobic reactor Download PDFInfo
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- CN214327261U CN214327261U CN202023343742.4U CN202023343742U CN214327261U CN 214327261 U CN214327261 U CN 214327261U CN 202023343742 U CN202023343742 U CN 202023343742U CN 214327261 U CN214327261 U CN 214327261U
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Abstract
A continuous circulation vortex flow type anaerobic reactor belongs to the technical field of environmental protection equipment. The device comprises a tank body, a flow pushing water distributor, a gas-liquid separator, an internal backflow pipe, a diffuser, a conical flow guider, three separators, two external backflow pipes and a gas collecting pipe, wherein the flow pushing water distributor connected with a water inlet pipe is arranged at the bottom in the tank body, the gas-liquid separator is arranged at the top of the tank body, a gas outlet pipe is arranged at the top of the gas-liquid separator, the bottom of the gas-liquid separator is connected with the internal backflow pipe arranged in the tank body, the diffuser connected with a bottom support is arranged at the bottom of the internal backflow pipe, one end of the gas collecting pipe is connected with the gas-liquid separator, the other end of the gas collecting pipe is arranged at the upper part in the tank body and connected with the three separators, two water collecting ports respectively connected with the external backflow pipes are arranged below the three separators, and water outlet pipes of the two external backflow pipes are both connected with the flow pushing water distributor. The reflux liquid and the sewage are mixed and sprayed by the plug-flow water distributor, and the mixture rises along the rotary cutting and spraying of the tank body and is fully contacted with the suspended granular sludge, so that the reaction efficiency of the system is improved.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a continuous circulating vortex type anaerobic reactor.
Background
Common processes in livestock and poultry breeding sewage treatment projects are an upflow anaerobic reactor (UASB reactor) and an IC reactor. Although these two anaerobic reactors are used in large numbers, some disadvantages remain in practical applications. The UASB reactor has certain limitation on the concentration of suspended matters in inlet water, has short flow phenomenon in a sludge bed to influence the treatment capacity, is sensitive to sudden change of water quality and load and has poor impact resistance. The IC reactor has a complex structure and high design and construction requirements, the height-diameter ratio of the reactor greatly increases the power consumption of the water inlet pump, the water flow rising speed is increased, the impact is caused on the stability of granular sludge, and the fine granular sludge is lost.
Disclosure of Invention
Aiming at the technical problems, the invention provides a continuous circulation vortex type anaerobic reactor, which aims to further improve the anaerobic wastewater treatment efficiency, ensure the stable and efficient operation of the anaerobic biochemical process, reduce the sewage treatment cost, solve the problems of the anaerobic reactor, properly improve the ascending flow velocity and reduce the inflow impact load.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a continuous circulation vortex anaerobic reactor, which comprises a tank body, a plug flow water distributor, a gas-liquid separator, three separators, an internal return pipe, a diffuser, a conical fluid director, two external return pipelines and a gas collecting pipe, wherein the bottom in the tank body is provided with the plug flow water distributor connected with a sewage inlet pipe, the top of the tank body is provided with the gas-liquid separator, the top of the gas-liquid separator is provided with a gas outlet pipe, the bottom of the gas-liquid separator is connected with the internal return pipe arranged in the tank body, the bottom of the internal return pipe is provided with the diffuser and is connected on a bottom bracket arranged at the bottom in the tank body through the diffuser, the conical fluid director is positioned at the bottom of the tank body below the diffuser, one end of the gas collecting pipe is connected with the gas-liquid separator, the other end of the gas collecting pipe is connected with the three separators arranged at the upper part in the tank body, two water collecting ports respectively connected with the two external return pipelines are arranged below the three separators, the water outlet pipes of the two external return pipelines are respectively connected with a plug flow water distributor in the tank body; the gas and the mud-water mixture collected by the gas collecting pipe are separated by the gas-liquid separator, the gas is discharged through the gas outlet pipe, the mud-water mixture flows to the bottom of the tank body through the internal return pipe, is guided and dispersed by the diffuser and the conical flow guider, the return water at the upper part of the tank body output by the external return pipe is mixed with sewage in the plug flow water distributor, is spirally cut and sprayed along the tank body, and the inlet water rises in a vortex mode to be in contact reaction with suspended granular sludge fully.
Preferably, the conical flow director is formed by arranging a frustum body below the conical body, the cone vertex angle alpha of the conical body is 60-80 degrees, and the cone vertex angle beta of the frustum body is 130-150 degrees.
Preferably, the diameter of the bottom of the frustum body is 1/3-1/2 of the diameter of the tank body.
Preferably, the top of the tank body is circumferentially provided with an annular water collecting tank, and a water outlet pipe is connected to the annular water collecting tank.
Preferably, a triangular overflow weir plate is arranged in the water collecting tank.
Preferably, the plug flow water distributor is annular, and is annularly sprayed in the tank body, and a sewage inlet pipe connecting pipe and two symmetrically arranged external return pipeline connecting pipes are respectively connected to the plug flow water distributor.
The invention has the beneficial effects that:
1. the invention sets a plug flow water distributor connected with a water inlet pipe at the bottom in a tank body, sets a gas-liquid separator at the top of the tank body, the bottom of the gas-liquid separator is connected with an internal return pipe arranged in the tank body, the bottom of the internal return pipe is provided with a diffuser, one end of a gas collecting pipe is connected with the gas-liquid separator, the other end of the gas collecting pipe is arranged at the upper part in the tank body and connected with three separators, the gas and mud-water mixture collected by the gas collecting pipe are discharged through a gas outlet pipe after being separated by the gas-liquid separator, the mud-water mixture flows to the bottom of the tank body through the internal return pipe, and is guided and dispersed by the diffuser and a conical fluid director; two water collecting ports respectively connected with two external reflux pipes are arranged below the three separators, water outlet pipes of the two external reflux pipes are respectively connected with a plug flow water distributor in the tank body, reflux water at the upper part of the tank body output by the external reflux pipes is mixed with sewage in the plug flow water distributor, rotary-cut injection is carried out along the tank body, the inflow eddy current rises, and the contact reaction with suspended granular sludge is fully carried out; the reaction efficiency of the system is improved, the contact condition between organic matters in the wastewater and microorganisms is improved, the mass transfer effect is enhanced, and the biochemical reaction speed and the treatment efficiency of the reactor are improved.
2. The bottom in the tank body is also provided with the conical fluid director, the outlet water of the diffuser is dispersed and guided by the conical fluid director and is fully mixed with the inlet water and the return water which are rotationally sprayed by the plug flow water distributor, so that a dead mud area is effectively prevented from appearing in the center of the bottom of the tank body, and the reaction efficiency of the system is improved.
3. According to the invention, the annular water collecting tank is arranged on the top of the tank body along the circumference, the triangular overflow weir plate is arranged in the water collecting tank, and the flow weir plate controls the water outlet elevation of the tank body and ensures that liquid uniformly overflows into the water collecting tank.
4. The internal return pipe of the invention is a process pipeline and a support of the whole system, and improves the stability of the reactor with large height-diameter ratio from the design structure.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 1.
Fig. 4 is a schematic structural view of the plug-flow water distributor in fig. 1.
In the figure: 1. the device comprises an air outlet pipe, a gas-liquid separator, a gas collecting pipe, a water collecting tank, a water outlet pipe, three separators, a tripod, a separator support, a water collecting port, a tank body, an internal return pipe, a diffuser, a bottom support, a conical fluid director, a flow pushing water distributor, a sewage inlet pipe, a reflux pump and an external return pipeline connecting pipe, wherein the three separators are 6, 7, the tripod, 8, the three separator support, 9, the water collecting port, 10, the external return pipe, 11, the tank body, 12, the internal return pipe, 13, the diffuser, 14, the conical fluid director, 15, the flow pushing water distributor, 17, the sewage inlet pipe, 18, the reflux pump and 19.
Detailed Description
The technical scheme of the invention is clearly and completely described below by combining the drawings and the embodiment.
Example 1: as shown in fig. 1-3, the invention relates to a continuous circulation vortex anaerobic reactor, which comprises a tank 11, a water distributor 16, a gas-liquid separator 2, an internal return pipe 12, a diffuser 13, a conical fluid director 15, three separators 6, two external return pipes 10 and a gas collecting pipe 3, wherein the water distributor 16 connected with a water inlet pipe 17 is arranged at the bottom in the tank 11, the gas-liquid separator 2 is arranged at the top of the tank 11, the gas outlet pipe 1 is arranged at the top of the gas-liquid separator 2, the internal return pipe 12 arranged in the tank 11 is connected at the bottom, the diffuser 13 is arranged at the bottom of the internal return pipe 12, the diffuser 13 is connected to a bottom bracket 14 arranged at the bottom in the tank 11, one end of the gas collecting pipe 3 is connected with the gas-liquid separator 2, the other end is connected with the three separators 6 arranged at the upper part in the tank 11, two water collecting ports 9 respectively connected with the two external return pipes are arranged below the three separators 6, the water outlet pipes of the two external return pipelines are respectively connected with a flow pushing water distributor 16 in the tank body 11; after the gas and the mud-water mixture collected by the gas collecting pipe are separated by the gas-liquid separator, the gas is discharged through the gas outlet pipe, the mud-water mixture flows to the bottom of the tank body through the internal return pipe, is guided and dispersed by the diffuser and the conical flow guider, return water at the upper part of the tank body 11 output by the external return pipe is mixed with sewage in the plug flow water distributor 16, and is rotationally cut and sprayed along the tank body 11, so that the inflow vortex rises, and is fully contacted and reacted with suspended particle sludge, and the reaction efficiency of the system is improved.
The conical fluid director 15 is formed by arranging a frustum body below a conical body, wherein the cone vertex angle alpha of the conical body is 60-80 degrees, the example alpha is 60 degrees, the cone vertex angle beta of the frustum body is 130-150 degrees, and the example beta is 130 degrees; the diameter D1 of the bottom of the frustum body of the cone is 1/3 of the diameter D of the tank body.
The top of the tank body 11 is circumferentially provided with an annular water collecting tank 4 which is connected with a water outlet pipe 5. A triangular overflow weir plate is arranged in the water collecting tank 4, and the overflow weir plate controls the water outlet elevation of the tank body and ensures that liquid uniformly overflows into the water collecting tank. As shown in fig. 4, the plug flow distributor 16 is annular and is annularly sprayed in the tank 11, and a sewage inlet pipe connecting pipe 17 and two symmetrically arranged external return pipe connecting pipes 19 are respectively connected thereto.
When the invention works, sewage enters the plug flow water distributor 16 from the water inlet pipe 17, the two water collecting ports 9 in the tank body 11 collect upper-section water and enter the external return pipes 10, the two external return pipes 10 are both connected with the return pump 18, the external return pipes 10 are connected with the external return pipeline connecting pipe 19 of the plug flow water distributor 16, and the sewage and the return water are mixed in the plug flow water distributor 16 and are annularly sprayed along the tank body 11.
The three separators 6 are existing outsourcing parts and are connected to the tank body 11 through three separator brackets 8. The internal return pipe 12 is welded with the three-phase separator support 8 through the tripod 7, the three-phase separator 6 collects gas and enters the gas collecting pipe 3, the gas collecting pipe 3 is connected with the gas-liquid separator 2, and the collected gas is discharged out of the tank body 11 from the gas outlet pipe 1. The water and mud mixture carried by the gas collecting pipe 3 is separated from the gas in the gas-water separator 2, enters the internal return pipe 12, is discharged into the bottom of the tank body 11 along the diffuser 13, is dispersed and guided by the conical fluid director 15, is mixed with the water inlet and the return liquid sprayed by the plug flow water distributor 16, and participates in the next circulation.
The internal return pipe 12 is welded with the three separator supports through a tripod, the bottom of the internal return pipe 12 is connected with the diffuser 13, the diffuser 13 is connected with the bottom support 14, the internal return pipe 12 is a process pipeline and a support of the whole system, and the stability of the reactor with the large height-diameter ratio is improved in structural design.
The gas-liquid separator 2, the three-phase separator 6, the water collecting port 9 and the reflux pump 18 in the embodiment are all the existing outsourcing parts.
Example 2: the difference between this example and example 1 is: the conical fluid director 15 is formed by arranging a frustum body below a conical body, wherein the cone vertex angle alpha of the conical body is 80 degrees, and the cone vertex angle beta of the frustum body is 150 degrees; the diameter of the bottom of the frustum body is 1/2 the diameter of the tank body.
Example 3: the difference between this example and example 1 is: the conical fluid director 15 is formed by arranging a frustum body below a conical body, wherein the conical angle alpha of the conical body is 70 degrees, and the conical angle beta of the frustum body is 140 degrees; the diameter of the bottom of the frustum body is 5/12 the diameter of the tank body.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (6)
1. A continuous circulation vortex flow type anaerobic reactor is characterized in that: comprises a tank body, a plug flow water distributor, a gas-liquid separator, a three-phase separator, an internal return pipe, a diffuser, a conical fluid director, two external return pipelines and a gas collecting pipe, wherein the bottom in the tank body is provided with the plug flow water distributor connected with a sewage inlet pipe, the top of the tank body is provided with a gas-liquid separator, the top of the gas-liquid separator is provided with an air outlet pipe, the bottom of the gas-liquid separator is connected with an internal return pipe arranged in the tank body, the bottom of the internal return pipe is provided with an air diffuser, the air collector is connected with a bottom bracket arranged at the bottom in the tank body through an air diffuser, the conical fluid director is positioned at the bottom of the tank body below the air diffuser, one end of the air collecting pipe is connected with the gas-liquid separator, the other end of the air collecting pipe is connected with a three-phase separator arranged at the upper part in the tank body, two water collecting ports respectively connected with two external return pipelines are arranged below the three-phase separator, water at the upper section of the tank body is collected, and water outlet pipes of the two external return pipelines are respectively connected with a plug flow water distributor in the tank body; the gas and the mud-water mixture collected by the gas collecting pipe are separated by the gas-liquid separator, the gas is discharged through the gas outlet pipe, the mud-water mixture flows to the bottom of the tank body through the internal return pipe, is guided and dispersed by the diffuser and the conical flow guider, the return water at the upper part of the tank body output by the external return pipe is mixed with sewage in the plug flow water distributor, is spirally cut and sprayed along the tank body, and the inlet water rises in a vortex mode to be in contact reaction with suspended granular sludge fully.
2. The continuous circulation vortex anaerobic reactor according to claim 1, characterized in that: the conical fluid director is formed by arranging a frustum body below a conical body, the cone vertex angle alpha of the conical body is 60-80 degrees, and the cone vertex angle beta of the frustum body is 130-150 degrees.
3. The continuous circulation vortex anaerobic reactor according to claim 2, characterized in that: the diameter of the bottom of the frustum body is 1/3-1/2 of the diameter of the tank body.
4. The continuous circulation vortex anaerobic reactor according to claim 1, characterized in that: the top of the tank body is provided with an annular water collecting tank along the circumference, and a water outlet pipe is connected on the annular water collecting tank.
5. The continuous circulation vortex anaerobic reactor according to claim 4, characterized in that: and a triangular overflow weir plate is arranged in the water collecting tank.
6. The continuous circulation vortex anaerobic reactor according to claim 1, characterized in that: the plug flow water distributor is annular, and is annularly sprayed in the tank body, and a sewage inlet pipe connecting pipe and two symmetrically arranged external return pipeline connecting pipes are respectively connected on the plug flow water distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343742.4U CN214327261U (en) | 2020-12-31 | 2020-12-31 | Continuous circulation vortex flow type anaerobic reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023343742.4U CN214327261U (en) | 2020-12-31 | 2020-12-31 | Continuous circulation vortex flow type anaerobic reactor |
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| CN214327261U true CN214327261U (en) | 2021-10-01 |
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| CN202023343742.4U Active CN214327261U (en) | 2020-12-31 | 2020-12-31 | Continuous circulation vortex flow type anaerobic reactor |
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